need help with practice question

An investor owns 500 shares of ABC corp. currently trading at $10 per share. Each share pays $1 per year in dividends. Which of the following variables would not be affected if ABC did a 1-for-5 reverse stock split of its shares? a) The total cost of the investor's shares. Ob) The number of shares owned by the investor. c) The market price of each share. d) The dividend per share